Unmodifiable
public final class UnmodifiableSet<E> extends AbstractSerializableSetDecorator<E> implements Unmodifiable
Set
to ensure it can't be altered.
This class is Serializable from Commons Collections 3.1.
Attempts to modify it will result in an UnsupportedOperationException.
Modifier and Type | Method | Description |
---|---|---|
boolean |
add(E object) |
|
boolean |
addAll(java.util.Collection<? extends E> coll) |
|
void |
clear() |
|
java.util.Iterator<E> |
iterator() |
|
boolean |
remove(java.lang.Object object) |
|
boolean |
removeAll(java.util.Collection<?> coll) |
|
boolean |
retainAll(java.util.Collection<?> coll) |
|
static <E> java.util.Set<E> |
unmodifiableSet(java.util.Set<? extends E> set) |
Factory method to create an unmodifiable set.
|
contains, containsAll, isEmpty, setCollection, size, toArray, toArray, toString
decorated, equals, hashCode
public static <E> java.util.Set<E> unmodifiableSet(java.util.Set<? extends E> set)
E
- the element typeset
- the set to decorate, must not be nulljava.lang.NullPointerException
- if set is nullpublic java.util.Iterator<E> iterator()
iterator
in class AbstractCollectionDecorator<E>
public boolean add(E object)
add
in class AbstractCollectionDecorator<E>
public boolean addAll(java.util.Collection<? extends E> coll)
addAll
in class AbstractCollectionDecorator<E>
public void clear()
clear
in class AbstractCollectionDecorator<E>
public boolean remove(java.lang.Object object)
remove
in class AbstractCollectionDecorator<E>
public boolean removeAll(java.util.Collection<?> coll)
removeAll
in class AbstractCollectionDecorator<E>
public boolean retainAll(java.util.Collection<?> coll)
retainAll
in class AbstractCollectionDecorator<E>
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